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Synthesis of sulphonated 4H-1, 4-benzothiazines

RR Gupta, R Kumar, RK Gautam

文献索引：Gupta, Radha Raman; Kumar, Rakesh Heterocycles, 1984 , vol. 22, # 1 p. 87 - 91

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被引用次数: 1

摘要

Abstract Single step and convenient synthesis for 6-sulphonated 4H-1, 4-benzothiazines is reported by the condensation and oxidative cyclization of 2-aminobenzenethiol-4-sulphonic acid with β-diketones. 2-Aminobenzenethiol-4-sulphonic acid has been synthesized directly

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